Revert of Add RoutingIDIssuer to help track routing id issues.

Revert of Add RoutingIDIssuer to help track routing id issues. (patchset #4 id:60001 of https://codereview.chromium.org/999193003/)

Reason for revert:
We've already collected enough data to triage this bug.

Original issue's description:
> This is a re-land of https://codereview.chromium.org/643733002.
>
> This CL adds a RoutingIDIssuer that verifies that the routing IDs are being sent to the correct process.
>
> BUG=464633
> TBR=sky@chromium.org
>
> Committed: https://crrev.com/5ae65efdfd51de794fb544195fad271dd90ff0b1
> Cr-Commit-Position: refs/heads/master@{#320207}

TBR=nasko@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=464633
Committed: https://crrev.com/052af418cf20a22c485825cd4e2628c4925b5e64
Cr-Commit-Position: refs/heads/master@{#321380}

[lfg, 2015-03-19 16:48:39]

Created Revert of Add RoutingIDIssuer to help track routing id issues.

[lfg, 2015-03-19 16:49:07]

The CQ bit was checked by lfg@chromium.org

[commit-bot: I haz the power, 2015-03-19 16:49:28]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1019913002/1

[commit-bot: I haz the power, 2015-03-19 16:50:01]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-03-19 16:50:54]

Patchset 1 (id:??) landed as
https://crrev.com/052af418cf20a22c485825cd4e2628c4925b5e64
Cr-Commit-Position: refs/heads/master@{#321380}